Japanese maple Acer palmatum 'Shaina' red - Hardy plantBrightly coloured! The Japanese maple 'Shaina' (Acer palmatum) brightens up the garden. The leaves of the 'Shaina' are bright red. In the summer, they turn purple and then back to red again. The plant is a perennial. This means you can enjoy the bright coloured leaves of the maple again next year! Prune it in winter. Then remove dead or protruding branches. The amount of sunlight doesn't matter for the Acer. Water the plant sparingly. Water it more